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David Kroodsma
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David Kroodsma is a data journalist, cyclist, climate consultant/researcher, and author of The Bicycle Diaries: My 21,000-Mile Ride for the Climate. David is currently preparing for Ride for Climate Asia, and working for EcoWest.org, a website that analyzes, visualizes, and shares data on environmental trends in the North American West.

From 2005 to 2007, David biked from his home in California to the tip of South America and used the journey to raise awareness of climate change. You can read more about this bicycle trip at RideforClimate.com. In 2009 he won the "Hopenhagen Ambassador" contest and represented Hopenhagen at the UN climate Conference in Copenhagen. He also covered the UN Climate Conference in Cancun in 2010 and at the World Economic Forum in Davos in 2011 for Hub Culture, a social network of urban influencers.

Previously, David worked as a consultant and climate researcher for the Skoll Global Threats Fund, and he has written for Climate Central, a collaboration of scientists and journalists communicating climate science to the public. He has also worked as a climate researcher at the Department of Global Ecology at the Carnegie Institution for Science, and as a consultant for philanthropic organizations at California Environmental Associates.

Entries by David Kroodsma

Thoughts on Climate Change After Crossing Asia

(2) Comments | Posted December 11, 2014 | 10:42 AM

Over much of 2014, David Kroodsma and Lindsey Fransen are riding their bikes across parts of Asia, and sharing what they learn about the climate issues facing the countries they bike through.

Six months after leaving Istanbul, and cycling 5,500 miles (and taking...

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Two Weeks in Beijing

(0) Comments | Posted December 4, 2014 | 9:37 AM

Over much of 2014, David Kroodsma and Lindsey Fransen are riding their bikes across parts of Asia, and sharing what they learn about the climate issues facing the countries they bike through.

Six months after leaving Istanbul, after cycling 5,000 miles (and taking a few...

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Reflections from Halfway Across Asia

(0) Comments | Posted September 17, 2014 | 11:41 AM

Over much of 2014, David Kroodsma and Lindsey Fransen are riding their bikes across parts of Asia, and sharing what they learn about the climate issues facing the countries they bike through.

We have just passed the four month mark for our journey, which is...

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A Visit to the Aral Sea

(0) Comments | Posted August 12, 2014 | 5:31 PM

Over much of 2014, David Kroodsma and Lindsey Fransen are riding their bikes across parts of Asia, and sharing what they learn about the climate issues facing the countries they bike through.

When we considered crossing Central Asia in a Ride for Climate, I knew...

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Five Chinas & the Cartoon Guide to Climate Change

(0) Comments | Posted June 23, 2014 | 9:29 AM

Over the next 8 to 12 months, Lindsey Fransen and I are riding our bikes across parts of Asia, and sharing what we learn about the climate issues facing the countries they bike through.

In the past six weeks, Lindsey and I have biked across...

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Reflections on Climate Change After Biking Across Turkey

(1) Comments | Posted June 16, 2014 | 12:10 PM

Over the next eight to twelve months, David Kroodsma and Lindsey Fransen are riding their bikes across parts of Asia, and sharing what they learn about the climate issues facing the countries they bike through.

I'm writing this blog entry from Batumi, Georgia, sitting on...

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Nearly Everyone We Talk to In Turkey Says It's Getting Warmer. Is It?

(0) Comments | Posted June 5, 2014 | 4:30 PM

Over the next eight to twelve months, David Kroodsma and Lindsey Fransen are riding their bikes across parts of Asia, and sharing what they learn about the climate issues facing the countries they bike through.

Through Google translate and an extremely basic command of the...

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The Future of Energy in Turkey, Part II

(0) Comments | Posted May 27, 2014 | 6:38 PM

Over the next eight to twelve months, David Kroodsma and Lindsey Fransen are riding their bikes across parts of Asia, and sharing what they learn about the climate issues facing the countries they bike through.

When in Istanbul, we visited the European Bank...

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The Future of Energy in Turkey

(0) Comments | Posted May 14, 2014 | 2:55 PM

Over the next eight to twelve months, David Kroodsma and Lindsey Fransen are riding their bikes across parts of Asia, and sharing what they learn about the climate issues facing the countries they bike through.

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Ride for Climate: A Bicycle Journey Across Asia

(1) Comments | Posted April 23, 2014 | 8:46 PM

Lindsey and I just turned 35. We're at the point in our lives when we're supposed to start a family or plunge fully into our careers. Some of our friends are buying houses, others are waiting for their second child, and a few are negotiating for tenure-track professorships. In contrast,...

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WATCH - Yosemite Rim Fire Grows to Size of Oakland, San Francisco and San Jose Combined

(0) Comments | Posted August 30, 2013 | 10:14 AM

The Yosemite Rim Fire has now burned more forest than the combined areas of San Francisco, Oakland, and San Jose -- roughy 200 square miles. This makes the fire the fifth largest in California since we started recording fire sizes in the 1930s.

To put this size...

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Green Gifts (for Geeks, Grandmas, and Grinches)

(0) Comments | Posted December 24, 2011 | 1:12 PM

If you're like me, it is the morning of December 24th, you're only halfway through your Christmas shopping, and you want your gifts to be environmentally friendly. It's a tall order. So, where do you turn to quickly figure out what to get your loved ones?

Introducing

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The Record Summer of 2011: You Haven't Seen Anything Yet

(171) Comments | Posted September 21, 2011 | 6:31 PM

In case you didn’t notice, this past summer was hot. June, July, and August were the warmest three months in the U.S. since the catastrophic Dust Bowl era in the 1930's. Texas got the worst of it: the state’s average temperature was 86 ºF, about a degree and a half...

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Summer of 2011 Rewrites Record Books

(4) Comments | Posted September 8, 2011 | 6:03 PM

The summer of 2011 has rewritten the record books. 

Using our record temperature tracker (see below), which draws on the National Climatic Data Center's database, we found that June, July, and August saw more warm temperature records tied or broken than any other summer in the past...

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This Week in Climate Science: Yellowstone Wildfires, Sea Levels and Shorebirds, and Fracking Accounting

(1) Comments | Posted August 11, 2011 | 9:28 PM

Welcome to Climate Central’s climate science roundup. This roundup summarizes noteworthy climate science studies published in the previous two weeks, with a special emphasis on articles that might not have been covered by major media outlets. Cross posted from Climate Central

This week in climate science:

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Is This Heat the 'New Normal'? A Look at Philadelphia (VIDEO)

(4) Comments | Posted August 4, 2011 | 9:12 PM

The summer heat continues: In Austin, Tex., triple-digit temperatures are causing unprecedented demands on power grids. Oklahoma City is on track to eclipse the record number of 100-degree days in a year, creeping closer to the current record of 50. And in the past month, over 8,000 records have been...

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Hot Nights: July Shatters Temperature Records

(7) Comments | Posted August 3, 2011 | 5:35 PM

July was hot: Washington, D.C., Oklahoma City, Philadelphia, and Austin set records for not just their warmest July in history, but their warmest month on record. The heat prompted people to hide indoors, crank up the air conditioning, or attempt stunts such as cooking 

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This Week in Climate Science: A Triassic Warning, Carbon-Absorbing Forests, and Amazon Dams

(55) Comments | Posted July 28, 2011 | 5:26 PM


Welcome to Climate Central’s climate science roundup. This roundup summarizes noteworthy climate science studies published in the previous two weeks, with a special emphasis on articles that might not have been covered by major media outlets. Cross posted from Climate Central.

In...

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Sergeant Saves Iraqi Frog as Part of "Project Global Amphibian Blitz"

(4) Comments | Posted July 7, 2011 | 7:41 PM

Jonathan Trouern-Trend, an intelligence sergeant with the Connecticut National Guard, was at the latrine of the U.S. military base near Al Bakr, Iraq, when he made a discovery: a Lemon-Yellow Tree Frog, one of Iraq’s eight species of amphibians, was sharing the bathroom with him. According to Trouern-Trend, the frog...

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Track the Nation's Rivers: Missouri River Floods and Southern Drought

(2) Comments | Posted June 21, 2011 | 7:26 PM

This year’s extreme weather, marked by unusually heavy precipitation in the northern half of the country and drought in the South and Southwest, continues.

The Missouri River is currently above flood stage in every state that it passes through. People are evacuating...

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